CN108102307A - A kind of high elongation at tear complete biodegradable refuse bag production technology - Google Patents
A kind of high elongation at tear complete biodegradable refuse bag production technology Download PDFInfo
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- CN108102307A CN108102307A CN201711391353.9A CN201711391353A CN108102307A CN 108102307 A CN108102307 A CN 108102307A CN 201711391353 A CN201711391353 A CN 201711391353A CN 108102307 A CN108102307 A CN 108102307A
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- Prior art keywords
- refuse bag
- pla
- antioxidant
- drying
- complete biodegradable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/0006—Flexible refuse receptables, e.g. bags, sacks
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/02—Polyamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a kind of high elongation at tear complete biodegradable refuse bag production technologies, comprise the following steps：S01 dries PLA, antioxidant, then vacuum cooled in vacuum drying chamber；PLA is put into air dry oven dry by S02；The PBAT and poly- N propionos aziridine obtained in S03, the PLA and antioxidant, S02 that will be obtained in S01 after drying after drying is stirred；S04, the hybrid particles that S03 is obtained add to double screw extruder and carry out extruding pelletization；S05, the pellet that S04 is obtained are dried in vacuo；The pellet being dried to obtain in S05 is added to blow molding in refuse bag inflation film manufacturing machine by S06；S07, the plastic foil that S05 is obtained is cooled down, flanging；S08 adds in Bag Making Machine, produces required product.A kind of high elongation at tear complete biodegradable refuse bag production technology of the present invention, can improve compatibility between PLA and PBAT, and the elongation at break of the refuse bag of production is high.
Description
Technical field
The present invention relates to a kind of high elongation at tear complete biodegradable refuse bag production technologies.
Background technology
In recent years, problem of environmental pollution and energy shortage problem getting worse, academia and industrial quarters all are seeking to follow
Environmentally friendly green material that ring utilizes substitutes petroleum based material, can substantially reduce to increasingly deficient petroleum resources according to
Rely, be conducive to sustainable development；Wherein, polyester biodegradable high molecular material gets most of the attention.Polyester biodegradable
High molecular material is made of all kinds of natural animal-plants and renewable resource, is had renewable, degradable, environmental-friendly and raw
The advantages that object compatibility is good possesses extremely wide development and application prospect.
In numerous biodegradable polymers being concerned, polylactic acid is current most study, yield maximum and business
Change one of Biodegradable material the most successful.PLA is the aliphatic polyester synthesized by renewable resource, with its good life
Object compatibility, the transparency and mechanical strength and be widely used in the fields such as medical treatment, pharmacy, agricultural, packaging and clothes.However,
The elongation at break of PLA (polylactic acid) is very low, and brittleness is very big, limits it and is more widely applied.Unlike PLA,
The intensity of PBAT (adipic acid-two ester copolymer of terephthalic acid (TPA)-fourth) is relatively low and extension at break is very high (>=600%), is soft
The fabulous elastomeric material of toughness.PBAT is chiefly used in the products such as agricultural mulching or environmental protection garbage bag at present, but due to aromatic series
The presence of segment, the degradation speed of PBAT are slow.
In conclusion PLA and PBAT are the Biodegradable materials of great development prospect.But it is single use a kind of drop
It solves material and all there is the drawbacks of very big.The composite material of currently reported PLA and PBAT, still, PLA/PBAT are thermodynamics
Immiscible Polymer Blends are also easy to produce phase separation, therefore how to improve PLA and PBAT mixed systems and ask there are elongation at break is relatively low
Topic is poorly suitable for the biodegradable refuse bag of production circle.
The content of the invention
The technical problem to be solved by the present invention is to providing a kind of can overcome compatibility between PLA and PBAT is relatively low to lack
It falls into, compatibility between PLA and PBAT can be improved by producing one kind, and then produce a kind of high elongation at tear complete biodegradable rubbish
Rubbish bag and preparation method thereof.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of high elongation at tear complete biodegradable refuse bag production technology, comprises the following steps：
S01 dries PLA, antioxidant, then vacuum cooled in vacuum drying chamber；
PLA is put into air dry oven dry by S02；
The PBAT and poly- N- propionyl obtained in S03, the PLA and antioxidant, S02 that will be obtained in S01 after drying after drying
Base aziridine is stirred；
S04, the hybrid particles that S03 is obtained add to double screw extruder and carry out extruding pelletization；
S05, the pellet that S04 is obtained are dried in vacuo；
The pellet being dried to obtain in S05 is added to blow molding in refuse bag inflation film manufacturing machine by S06；
S07, the plastic foil that S05 is obtained is cooled down, flanging；
S08 adds in Bag Making Machine, produces required product.
In S01, the drying temperature of PLA and antioxidant is 70 DEG C to 90 DEG C, and drying time is 3 to 5h.
In S02, the drying temperature of PBAT is 50 DEG C to 70 DEG C, and drying time is 3 to 5h.
In S04, the temperature in 1st~7 area of double screw extruder is followed successively by 170,180,185,185,175,165 and 155 DEG C, if
Twin-screw extrusion machine host frequency is determined for 15Hz.
In S05, pellet drying temperature is 70 DEG C to 90 DEG C, and drying time is 3 to 5h.
In S06, the temperature in 1st~5 area of refuse bag inflation film manufacturing machine is set as 150,160,165,170 and 165 DEG C successively.
Antioxidant is antioxidant 1010 in S01.
In S03, by weight, including 80 to 100 parts of PLA, 20 to 40 parts of PBAT1,1 to 3 parts of antioxidant and its 0.5 to 1
The poly- N- propionos aziridine of part.
Beneficial effects of the present invention：The present invention provides a kind of high elongation at tear complete biodegradable refuse bag production technology,
Poly- N- propionos aziridine has very strong polarity and degradable, highly polar poly- N- propionos aziridine can simultaneously with
Ester group in PLA, PBAT macromolecular generates stronger intermolecular interaction, so as to improve the compatibility of PLA and PBAT, plays
The effect of physical compatibilizer, the elongation at break for ultimately resulting in blend are further enhanced.
Specific embodiment
The following examples are only intended to illustrate the technical solution of the present invention more clearly, and cannot limit the present invention with this
Protection domain.
Specific embodiment 1
A kind of high elongation at tear complete biodegradable refuse bag production technology, comprises the following steps：
S01 dries PLA, antioxidant, then vacuum cooled in vacuum drying chamber；
PLA is put into air dry oven dry by S02；
The PBAT and poly- N- propionyl obtained in S03, the PLA and antioxidant, S02 that will be obtained in S01 after drying after drying
Base aziridine is stirred；
S04, the hybrid particles that S03 is obtained add to double screw extruder and carry out extruding pelletization；
S05, the pellet that S04 is obtained are dried in vacuo；
The pellet being dried to obtain in S05 is added to blow molding in refuse bag inflation film manufacturing machine by S06；
S07, the plastic foil that S05 is obtained is cooled down, flanging；
S08 adds in Bag Making Machine, produces required product.
In S01, the drying temperature of PLA and antioxidant is 70 DEG C of C, drying time 3h.
In S02, the drying temperature of PBAT is 50 DEG C, drying time 3.
In S04, the temperature in 1st~7 area of double screw extruder is followed successively by 170,180,185,185,175,165 and 155 DEG C, if
Twin-screw extrusion machine host frequency is determined for 15Hz.
In S05, pellet drying temperature is 70 DEG C, drying time 3h.
In S06, the temperature in 1st~5 area of refuse bag inflation film manufacturing machine is set as 150,160,165,170 and 165 DEG C successively.
Antioxidant is antioxidant 1010 in S01.
In S03, by weight, including 80PLA, 20PBAT1,1 antioxidant and its 0.5 poly- N- propionos aziridine.
Specific embodiment 2
A kind of high elongation at tear complete biodegradable refuse bag production technology, comprises the following steps：
S01 dries PLA, antioxidant, then vacuum cooled in vacuum drying chamber；
PLA is put into air dry oven dry by S02；
The PBAT and poly- N- propionyl obtained in S03, the PLA and antioxidant, S02 that will be obtained in S01 after drying after drying
Base aziridine is stirred；
S04, the hybrid particles that S03 is obtained add to double screw extruder and carry out extruding pelletization；
S05, the pellet that S04 is obtained are dried in vacuo；
The pellet being dried to obtain in S05 is added to blow molding in refuse bag inflation film manufacturing machine by S06；
S07, the plastic foil that S05 is obtained is cooled down, flanging；
S08 adds in Bag Making Machine, produces required product.
In S01, the drying temperature of PLA and antioxidant is 80 DEG C, drying time 4h.
In S02, the drying temperature of PBAT is 60 DEG C, drying time 4h.
In S04, the temperature in 1st~7 area of double screw extruder is followed successively by 170,180,185,185,175,165 and 155 DEG C, if
Twin-screw extrusion machine host frequency is determined for 15Hz.
In S05, pellet drying temperature is 80 DEG C, drying time 4h.
In S06, the temperature in 1st~5 area of refuse bag inflation film manufacturing machine is set as 150,160,165,170 and 165 DEG C successively.
Antioxidant is antioxidant 1010 in S01.
In S03, by weight, including 90 parts of PLA, 30 parts of PBAT1,2 parts of antioxidant and its 0.8 part of poly- N- propionos ethylene
Imines.
Specific embodiment 3
A kind of high elongation at tear complete biodegradable refuse bag production technology, comprises the following steps：
S01 dries PLA, antioxidant, then vacuum cooled in vacuum drying chamber；
PLA is put into air dry oven dry by S02；
The PBAT and poly- N- propionyl obtained in S03, the PLA and antioxidant, S02 that will be obtained in S01 after drying after drying
Base aziridine is stirred；
S04, the hybrid particles that S03 is obtained add to double screw extruder and carry out extruding pelletization；
S05, the pellet that S04 is obtained are dried in vacuo；
The pellet being dried to obtain in S05 is added to blow molding in refuse bag inflation film manufacturing machine by S06；
S07, the plastic foil that S05 is obtained is cooled down, flanging；
S08 adds in Bag Making Machine, produces required product.
In S01, the drying temperature of PLA and antioxidant is 90 DEG C, drying time 5h.
In S02, the drying temperature of PBAT is 70 DEG C, drying time 5h.
In S04, the temperature in 1st~7 area of double screw extruder is followed successively by 170,180,185,185,175,165 and 155 DEG C, if
Twin-screw extrusion machine host frequency is determined for 15Hz.
In S05, pellet drying temperature is 70 DEG C to 90 DEG C, drying time 5h.
In S06, the temperature in 1st~5 area of refuse bag inflation film manufacturing machine is set as 150,160,165,170 and 165 DEG C successively.
Antioxidant is antioxidant 1010 in S01.
In S03, by weight, including 100 parts of PLA, 40 parts of PBAT1,3 parts of antioxidant and its 1 part of poly- N- propionos ethylene
Imines.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of high elongation at tear complete biodegradable refuse bag production technology, it is characterised in that：Comprise the following steps：
S01 dries PLA, antioxidant, then vacuum cooled in vacuum drying chamber；
PLA is put into air dry oven dry by S02；
The PBAT obtained in S03, the PLA and antioxidant, S02 that will be obtained in S01 after drying after drying and poly- N- propionos second
Alkene imines is stirred；
S04, the hybrid particles that S03 is obtained add to double screw extruder and carry out extruding pelletization；
S05, the pellet that S04 is obtained are dried in vacuo；
The pellet being dried to obtain in S05 is added to blow molding in refuse bag inflation film manufacturing machine by S06；
S07, the plastic foil that S05 is obtained is cooled down, flanging；
S08 adds in Bag Making Machine, produces required product.
2. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：In S01, PLA and
The drying temperature of antioxidant is 70oC to 90oC, drying time are 3 to 5h.
3. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：In S02, PBAT
Drying temperature be 50oC to 70oC, drying time are 3 to 5h.
4. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：In S04, twin-screw
The temperature in 1st ~ 7 area of extruder is followed successively by 170,180,185,185,175,165 and 155 DEG C, setting twin-screw extrusion machine host frequency
Rate is 15 Hz.
5. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：In S05, pellet
Drying temperature is 70oC to 90oC, drying time are 3 to 5h.
6. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：In S06, refuse bag
The temperature in 1st ~ 5 area of inflation film manufacturing machine is set as 150,160,165,170 and 165 DEG C successively.
7. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：Antioxidant in S01
For antioxidant 1010.
8. a kind of complete biodegradable refuse bag preparation method according to claim 1, it is characterised in that：In S03, with weight
Meter, including 80 to 100 parts of PLA, 20 to 40 parts of PBAT1,1 to 3 parts of antioxidant and its 0.5 to 1 part of poly- N- propionos aziridine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391353.9A CN108102307A (en) | 2017-12-21 | 2017-12-21 | A kind of high elongation at tear complete biodegradable refuse bag production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391353.9A CN108102307A (en) | 2017-12-21 | 2017-12-21 | A kind of high elongation at tear complete biodegradable refuse bag production technology |
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| CN108102307A true CN108102307A (en) | 2018-06-01 |
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| CN201711391353.9A Pending CN108102307A (en) | 2017-12-21 | 2017-12-21 | A kind of high elongation at tear complete biodegradable refuse bag production technology |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589124A (en) * | 2012-08-14 | 2014-02-19 | 上海杰事杰新材料(集团)股份有限公司 | Fully-biodegradable PLA/PBAT composite film and making method thereof |
| CN105273377A (en) * | 2015-07-31 | 2016-01-27 | 邓铁军 | Biodegradable material and preparation method and use thereof |
| CN107022178A (en) * | 2016-02-02 | 2017-08-08 | 黑龙江鑫达企业集团有限公司 | A kind of biodegradable polylactic acid environment-friendlythin thin film and preparation method thereof |
-
2017
- 2017-12-21 CN CN201711391353.9A patent/CN108102307A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589124A (en) * | 2012-08-14 | 2014-02-19 | 上海杰事杰新材料(集团)股份有限公司 | Fully-biodegradable PLA/PBAT composite film and making method thereof |
| CN105273377A (en) * | 2015-07-31 | 2016-01-27 | 邓铁军 | Biodegradable material and preparation method and use thereof |
| CN107022178A (en) * | 2016-02-02 | 2017-08-08 | 黑龙江鑫达企业集团有限公司 | A kind of biodegradable polylactic acid environment-friendlythin thin film and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 徐瑞璋等: "PLA/PBAT/PEOX共混物的制备及性能研究", 《塑料科技》 * |
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Application publication date: 20180601 |
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